cert.pt - robtex.com

cert.pt

DNSSEC🔒 Signed (DS record present)
A83.240.202.183🇵🇹 MEO-EMPRESAS83.240.128.0/17 PTPRIMENET PT Prime - Network Service Provider
NSns01.cncs.gov.pt ⭐
A83.240.202.167🇵🇹 MEO-EMPRESAS83.240.128.0/17 PTPRIMENET PT Prime - Network Service Provider
NSns02.cncs.gov.pt
A83.240.202.168🇵🇹 MEO-EMPRESAS83.240.128.0/17 PTPRIMENET PT Prime - Network Service Provider
NSns02.fccn.pt
A2001:690:a80:4001::200🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network
PTRns02.fccn.pt
A193.136.2.228🇵🇹 RCCN193.136.0.0/15 -AGGREGATED-NET
MXmx01.cncs.gov.pt ⭐
A83.240.202.171🇵🇹 MEO-EMPRESAS83.240.128.0/17 PTPRIMENET PT Prime - Network Service Provider
PTRmx01.cncs.gov.pt
MXmx02.cncs.gov.pt ⭐
A83.240.202.173🇵🇹 MEO-EMPRESAS83.240.128.0/17 PTPRIMENET PT Prime - Network Service Provider
PTRmx02.cncs.gov.pt
TXTv=spf1 mx ip4:83.240.202.170 -all
SOAns01.cncs.gov.ptdst@cncs.gov.pt 2025-11-19 #17

pt

DNSSEC🔒 Signed (DS record present)
NScuriosity.dns.pt ⭐ 🔒
NSa.dns.pt 🔒
NSb.dns.pt 🔒
NSc.dns.pt 🔒
NSd.dns.pt 🔒
NSe.dns.pt 🔒
NSg.dns.pt 🔒
NSh.dns.pt 🔒
NSns.dns.br 🔒
NSns2.nic.fr 🔒
SOAcuriosity.dns.ptrequest@dns.pt 2026-02-17 #2
WOT: SAFE (60/100)

Same first word

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DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns01.cncs.gov.ptns02.cncs.gov.ptns02.fccn.ptns01.fccn.ptns03.fccn.ptMXmx01.cncs.gov.ptmx02.cncs.gov.ptmail.cncs.gov.ptA83.240.202.183193.47.185.74
●NSns01.cncs.gov.pt2026-02-22 → 2026-02-26 · 3 obs
○ 2017-06-04 18:09:06
● 2026-02-22 09:20:02
● 2026-02-26 17:37:00
○NSns01.fccn.pt2015-08-15 → 2017-06-04 · 4 obs
● 2015-08-15 05:54:58
● 2017-06-04 18:09:06
○ 2026-02-22 09:20:02
○ 2026-02-26 17:37:00
●NSns02.cncs.gov.pt2026-02-22 → 2026-02-26 · 3 obs
○ 2017-06-04 18:09:06
● 2026-02-22 09:20:02
● 2026-02-26 17:37:00
●NSns02.fccn.pt2015-08-15 → 2026-02-26 · 2 obs
● 2015-08-15 05:54:58
● 2026-02-26 17:37:00
○NSns03.fccn.pt2015-08-15 → 2017-06-04 · 4 obs
● 2015-08-15 05:54:58
● 2017-06-04 18:09:06
○ 2026-02-22 09:20:02
○ 2026-02-26 17:37:00
○MXmail.cncs.gov.pt2015-08-15 → 2017-06-04 · 4 obs
● 2015-08-15 05:54:58
● 2017-06-04 18:09:06
○ 2026-02-22 09:20:02
○ 2026-02-26 17:37:00
●MXmx01.cncs.gov.pt2026-02-22 → 2026-02-26 · 3 obs
○ 2017-06-04 18:09:06
● 2026-02-22 09:20:02
● 2026-02-26 17:37:00
●MXmx02.cncs.gov.pt2026-02-22 → 2026-02-26 · 3 obs
○ 2017-06-04 18:09:06
● 2026-02-22 09:20:02
● 2026-02-26 17:37:00
○A193.47.185.742015-08-15 → 2017-06-04 · 4 obs
● 2015-08-15 05:54:58
● 2017-06-04 18:09:06
○ 2026-02-22 09:20:02
○ 2026-02-26 17:37:00
●A83.240.202.1832026-02-22 → 2026-02-26 · 3 obs
○ 2017-06-04 18:09:06
● 2026-02-22 09:20:02
● 2026-02-26 17:37:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pta.dns.pt, c.dns.pt, e.dns.pt, h.dns.pt...-
cert.ptns02.fccn.pt, ns02.cncs.gov.pt, ns01.cncs.gov.pt2 records

✅ Authoritative Response

Server: 193.136.2.228

NS records: ns02.fccn.pt, ns02.cncs.gov.pt, ns01.cncs.gov.pt

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1380ms | Queries: -

📄 Records

TypeCountSample Data
A183.240.202.183
NS3ns02.fccn.pt, ns01.cncs.gov.pt...
MX2mx01.cncs.gov.pt (pri: 10), mx02.cncs.gov.pt (pri: 10)
TXT1v=spf1 mx ip4:83.240.202.170 -all
SOA1ns01.cncs.gov.pt dst.cncs.gov.pt

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns02.fccn.pt, ns02.fccn.pt)

AI analysis

cert.pt maps to IP address 83.240.202.183.

Other host names, for example internetsegura.pt, redecsirt.pt and web02.cncs.gov.pt share the same IP as cert.pt.

cert.pt is delegated to name servers ns02.fccn.pt, ns01.cncs.gov.pt and ns02.cncs.gov.pt.

cert.pt at least partially shares name servers with other domains such as i3s.up.pt, papi.rediris.es, codemove.pt, ktforce.up.pt and 218.137.193.in-addr.arpa.

These name servers are often used together with ns03.fccn.pt, ns01.fccn.pt, ns1.up.pt, ns2.up.pt, ns3.up.pt, ns4.up.pt, ns.min-financas.pt, ns3.min-educ.pt, ns4.min-educ.pt and netns.fccn.pt.

Host names with two IP numbers:

ns02.fccn.pt points to 2001:690:a80:4001::200 and 193.136.2.228.

Host names with one IP number:

ns01.cncs.gov.pt points to 83.240.202.167.

ns02.cncs.gov.pt points to 83.240.202.168.

Two mail servers handle cert.pt: mx01.cncs.gov.pt and mx02.cncs.gov.pt.

cert.pt shares the mail server setup with other domains, such as cncs.gov.pt, gns.gov.pt and redecsirt.pt.

Host names with a single IP address:

mx01.cncs.gov.pt points to 83.240.202.171

mx02.cncs.gov.pt points to 83.240.202.173